1.1/3*(5*(2/3))
2.(1+37%)*20
3.35/2*75%
4.30*(50/2)
5.(54+10%)/20
6.(25/3*18)*30%
7.(2+70%)*40
8.1/7*(98*(1/4)*2)
9.25%*((23+2%)*4)
10.(30+20%)/2
11.12*3/(25+20%)
12.30/(3+40%)
13.27/8*16*10%
14.(2/3)*(3+6)*(1/2)
15.45*(1/9)*24
16.(35+10%)*27
17.(45+50%)*3*1/2
18.(43*20%)+(3*(1/9))
19.27*(9*(1/3))*5%
20.14*15%+25*8*(1/4)
21.7*(1/2)/49
22.(1+48%)*2
23.(4*8-12)*50%
24.(48/60%)/10
25.63*(1/7)*30%
26.(0.75+0.2)/0.25*25% 12/0.75+7.2/2.4
27.605*8+3.5-44 10.9-(6.6+0.125/12.5%)
28.980-9.8)*0.6-2.12 (0.125*8-0.5)*4
29.1+0.45/0.9-0.75 168.1/(4.3*2-0.4)
30.1.21*42-(4.46+0.14) 1375+450/18*25
31.18/1.5-0.5*0.3
43.0.12× 4.8÷0.12×4.8
44.（3.2×1.5+2.5）÷1.6
45.6-1.6÷4= 5.38+7.85-5.37=
46.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
47.6.5×（4.8-1.2×4）=
49.5.8×（3.87-0.13）+4.2×3.74
50.32.52-（6+9.728÷3.2）×2.5
51.[（7.1-5.6）×0.9-1.15] ÷2.5
52.5.4÷[2.6×（3.7-2.9）+0.62]
53.12×6÷（12-7.2）-6
（54）12×6÷7.2-6
(55)0.68×1.9+0.32×1.9
(56)（58+370）÷（64-45）
(57)420+580-64×21÷28
(58)（136+64）×（65-345÷23）
(59)48.10.15-10.75×0.4-5.7
1.18.1＋（3－0.299÷0.23）×1
2.(6.8-6.8×0.55)÷8.5
3.0.12× 4.8÷0.12×4.8
4.（3.2×1.5+2.5）÷1.6 （2）3.2×（1.5+2.5）÷1.6
5.6-1.6÷4= 5.38+7.85-5.37=
6.7.2÷0.8-1.2×5= 6-1.19×3-0.43=
7.6.5×（4.8-1.2×4）= 0.68×1.9+0.32×1.9
8.10.15-10.75×0.4-5.7
9.5.8×（3.87-0.13）+4.2×3.74
10.32.52-（6+9.728÷3.2）×2.5
11.[（7.1-5.6）×0.9-1.15] ÷2.5
12.5.4÷[2.6×（3.7-2.9）+0.62]
13.12×6÷（12-7.2）-6
14.12×6÷7.2-6
15.33.02－（148.4－90.85）÷2.5
158+262+138